Solution

Treasure Hunt Leann Audree Africano Alfaro

First name
Leann Audree Africano Alfaro
School
Pristine Private School
School's Twitter handle
@PristineSchool
Age
11

A good strategy is comparing the distance from two coordinates if those two coordinates result in the same distance, the treasure would be between them in a diagonal path. By checking the difference between two digits it can remove the choices quickly and find the treasure in a few guesses.